1.

A linear time invariant system is characterized by the system function H(z)=1/(1-0.5z-1 )+2/(1-3z-1 ).What is the h(n) if the system is stable?

A. (0.5)nu(n)-2(3)nu(n)
B. (0.5)nu(-n-1)-2(3)nu(-n-1)
C. (0.5)nu(-n-1)-2(3)nu(n)
D. (0.5)nu(n)-2(3)nu(-n-1)
Answer» E.


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